These unique iris like well drained soil, and lots of light. If you can provide the right conditions, these plants will supply an everpresent beauty that is great for filling colorless areas in any garden.

beautiful color on this iris

Unripe seed pod

Iris sibirica (Siberian Iris)

For best bloom, divide at least every five years.

Blooming late May, zone 5a, UW-Madison Botanical Garden

mid may

05-09-12

05-22-12

May 30, 2013

May 30, 2013

In Daniel Stowe Botanical Garden, Belmont, North Carolina

Penn State Arboretum. Photo courtesy of Karl Gercens. Copyright Karl Gercens, an expert horticulturalist and plant enthusiast who gives lectures and classes around the USA including at Longwood Gardens. Conservatory Horticulturist at Longwood Gardens. Learn more about him and his love of all things horticulture at http://www.karlgercens.com/